<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标签大类" prop="tagCategory">
            <el-select
        v-model="queryParams.tagCategory"
        placeholder="请选择标签大类"
        clearable
        @change="handleQuery"
        style="width: 200px"
      >
        <el-option
          v-for="item in tagCategoryOptions"
          :key="item.value"
          :label="item.label"
          :value="item.value"
        />
      </el-select>
      </el-form-item>
      <el-form-item label="标签类型" prop="tagType">
        <el-select
          v-model="queryParams.tagType"
          placeholder="请选择标签类型"
          clearable
          @change="handleQuery"
          style="width: 200px"
        >
          <el-option
            v-for="item in tagTypeOptions"
            :key="item.value"
            :label="item.label"
            :value="item.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['travel:tag:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['travel:tag:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['travel:tag:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['travel:tag:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="tagList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="标签大类" align="center" prop="tagCategory">
        <template #default="scope">
          {{ tagCategoryMap[scope.row.tagCategory] || "未知大类" }}
        </template>
      </el-table-column>
      <el-table-column label="标签名称" align="center" prop="tagName" />
      <el-table-column label="标签类型" align="center" prop="tagType">
        <template #default="scope">
          {{ tagTypeMap[scope.row.tagType] || "未知类型" }}
        </template>
      </el-table-column>
      <el-table-column label="标签展示颜色" align="center" prop="tagColor" />
      <el-table-column label="排序权重" align="center" prop="sortOrder" v-if="false" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['travel:tag:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['travel:tag:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改旅游标签对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="tagRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标签大类" prop="tagCategory">
            <el-select
              v-model="form.tagCategory"
              placeholder="请选择标签大类"
              clearable
              style="width: 100%">
              <el-option
                v-for="item in tagCategoryOptions"
                :key="item.value"
                :label="item.label"  
                :value="item.value"
              />
            </el-select>
        </el-form-item>
        <el-form-item label="标签名称" prop="tagName">
          <el-input v-model="form.tagName" placeholder="请输入标签名称" />
        </el-form-item>
        <el-form-item label="标签类型" prop="tagType">
            <el-select
              v-model="form.tagType"
              placeholder="请选择标签类型"
              clearable
              style="width: 100%">
              <el-option
                v-for="item in tagTypeOptions"
                :key="item.value"
                :label="item.label"  
                :value="item.value"
              />
            </el-select>
        </el-form-item>
        <el-form-item label="标签展示颜色" prop="tagColor">
                <el-color-picker
          v-model="form.tagColor"
          show-alpha
          placeholder="请选择标签展示颜色"
        />
        </el-form-item>
        <el-form-item label="排序权重" prop="sortOrder" v-if="false">
          <el-input v-model="form.sortOrder" placeholder="请输入排序权重" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Tag">
import { listTag, getTag, delTag, addTag, updateTag,getTagCategoryList,getTagTypeList } from "@/api/travel/tag"

const { proxy } = getCurrentInstance()

const tagList = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")
const tagCategoryOptions = ref([])
const tagTypeOptions = ref([])
const tagCategoryMap = ref({})
const tagTypeMap = ref({})

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    tagName: null,
    tagType: null,
    tagColor: null,
    sortOrder: null,
    tagCategory: null
  },
  rules: {
    tagName: [
      { required: true, message: "标签名称不能为空", trigger: "blur" }
    ],
    tagType: [
      { required: true, message: "请选择标签类型", trigger: "change" } // 提示语优化
    ],
    tagCategory: [
      { required: true, message: "请选择标签大类", trigger: "change" } // 提示语优化
    ]
  }
})

const { queryParams, form, rules } = toRefs(data)

// 页面加载时获取枚举数据
onMounted(() => {
  fetchTagCategory()
  fetchTagType()
  getList()
})

// 新增：获取标签大类枚举列表（从后端接口）
function fetchTagCategory() {
  getTagCategoryList().then(response => {
    // 假设接口返回格式：[{code: "natural_landscape", desc: "自然景观"}, ...]
    tagCategoryOptions.value = response.data.map(item => ({
      label: item.desc, // 显示文本
      value: item.code  // 实际存储值（枚举code）
    }));
    tagCategoryMap.value = response.data.reduce((map, item) => {
      map[item.code] = item.desc;
      return map;
    }, {});
  }).catch(error => {
    console.error("获取标签大类枚举失败：", error)
  })
}

// 新增：获取标签类型枚举列表（从后端接口）
function fetchTagType() {
  getTagTypeList().then(response => {
    tagTypeOptions.value = response.data.map(item => ({
      label: item.desc, 
      value: item.code
    }));
    tagTypeMap.value = response.data.reduce((map, item) => {
      map[item.code] = item.desc;
      return map;
    }, {});
  }).catch(error => {
    console.error("获取标签类型枚举失败：", error)
  })
}

/** 查询旅游标签列表 */
function getList() {
  loading.value = true
  listTag(queryParams.value).then(response => {
    tagList.value = response.rows
    total.value = response.total
    loading.value = false
  })
}

// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    tagId: null,
    tagName: null,
    tagType: null,
    tagColor: null,
    sortOrder: null,
    createTime: null,
    updateTime: null,
    tagCategory: null
  }
  proxy.resetForm("tagRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef")
  handleQuery()
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.tagId)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
function handleAdd() {
  reset()
  open.value = true
  title.value = "添加旅游标签"
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset()
  const _tagId = row.tagId || ids.value
  getTag(_tagId).then(response => {
    form.value = response.data
    open.value = true
    title.value = "修改旅游标签"
  })
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["tagRef"].validate(valid => {
    if (valid) {
      if (form.value.tagId != null) {
        updateTag(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addTag(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _tagIds = row.tagId || ids.value
  proxy.$modal.confirm('是否确认删除旅游标签编号为"' + _tagIds + '"的数据项？').then(function() {
    return delTag(_tagIds)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => {})
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('travel/tag/export', {
    ...queryParams.value
  }, `tag_${new Date().getTime()}.xlsx`)
}

getList()
</script>
<style lang="css" scoped>
::v-deep .el-color-picker .el-color-picker__trigger {
  /* 调整宽度和高度 */
  width: 100px;
  height: 32px;
  /* 自定义边框 */
  border: 1px solid #dcdcdc;
  border-radius: 4px;
  /* 调整内部图标对齐 */
  display: flex;
  align-items: center;
  justify-content: center;
  /* 去掉默认内边距 */
  padding: 0;
}

::v-deep .el-color-picker .el-color-picker__icon {
  color: #606266;
}
</style>
